{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-73476 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2026-73476 is a medium-severity authentication bypass vulnerability in Drupal External Authentication, published on 2 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-73476 and fix it if it is affected.\n\nWhat it is: CVE-2026-73476 is a medium-severity authentication bypass vulnerability in Drupal External Authentication, published on 2 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-73476 in the wild and no public exploit code.\n\nAffected product: Drupal External Authentication. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-73476/ (Markdown: https://insights.sbomify.com/CVE-2026-73476/index.md)","id":"CVE-2026-73476","markdown":"https://insights.sbomify.com/CVE-2026-73476/index.md","name":"CVE-2026-73476","record":{"aliases":["DRUPAL-CONTRIB-2026-098","GHSA-85hq-q7c6-7j82"],"analysis":{"component_type":"cms_plugin","fix_type":"upgrade","impacts":["privilege_escalation","security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"Drupal authentication plugin","requires_auth":"low_privilege","summary":"Attackers can bypass authentication via case sensitivity flaws in the Drupal External Authentication module, leading to privilege escalation.","user_interaction":"not_required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"drupal","cpe":[{"product":"external_authentication","vendor":"external_authentication_project"}],"cvss":{"score":5.4,"severity":"medium","source":"cisa-adp","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"cwes":[{"id":"CWE-178","name":"Improper Handling of Case Sensitivity"}],"description":"Improper Handling of Case Sensitivity vulnerability in Drupal External Authentication allows Privilege Escalation. This issue affects External Authentication versions: from 0.0.0 to 2.0.13.","ecosystems":["Packagist:https://packages.drupal.org/8"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"External Authentication - Moderately critical - Access bypass - SA-CONTRIB-2026-098","id":"CVE-2026-73476","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"auth_bypass","year":"2026"},"n_packages":1,"n_references":1,"next":{"headline":"Quick Tabs - Moderately critical - Access bypass - SA-CONTRIB-2026-099","id":"CVE-2026-73477"},"packages":[{"ecosystem":"Packagist:https://packages.drupal.org/8","fixed":["2.0.13"],"introduced":["0"],"last_affected":[],"package":"drupal/externalauth","purl":"pkg:composer/drupal/externalauth?repository_url=https:%2F%2Fpackages.drupal.org%2F8","source":"DRUPAL-CONTRIB-2026-098"}],"prev":{"headline":"Commerce PayPal - Moderately critical - Access bypass - SA-CONTRIB-2026-095","id":"CVE-2026-73475"},"products":["External Authentication"],"published":"2026-09-02","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"MIT","name":"Drupal","prefix":"DRUPAL"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-02","vendors":["Drupal"]},"summary":"Attackers can bypass authentication via case sensitivity flaws in the Drupal External Authentication module, leading to privilege escalation.","url":"https://insights.sbomify.com/CVE-2026-73476/"}